Two particles of equal masses are revolving in circular paths of radii $r_{1}$ and $r_{2}$ respectively with the same speed. The ratio of their centripetal forces is

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Solution

The correct option is A

F = $\frac{m v^{2}}{r}$ .If m and v are constants then F $\propto$ $\frac{1}{r}$
$\frac{F_{1}}{F_{2}}$ = $\frac{r_{2}}{r_{1}}$

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Two particles of equal masses are revolving in circular paths of radii r1 and r2 respectively with the same speed. The ratio of their centripetal forces is

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Two particles of equal masses are revolving in circular paths of radii $r_{1}$ and $r_{2}$ respectively with the same speed. The ratio of their centripetal forces is

The correct option is A

F = $\frac{m v^{2}}{r}$ .If m and v are constants then F $\propto$ $\frac{1}{r}$
$\frac{F_{1}}{F_{2}}$ = $\frac{r_{2}}{r_{1}}$